Drilling module with automatic tool changer
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United States of America Patent
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Jun 16, 2009
Grant Date -
N/A
app pub date -
Jul 11, 2008
filing date -
Jul 11, 2008
priority date (Note) -
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Abstract
A machining unit comprising a quill carrying a spindle, a tool clamping mechanism on a forward end of the spindle, a drive shaft for rotatably driving the spindle through the quill, a tool feed actuator for extending and retracting the quill to and from a home position in both axial directions, the clamping mechanism being arranged to grip a tool holder when the quill is at or forward of the home position and to release or accept a tool holder when it is rearward of the home position.
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